/// <summary>
/// 循环监听
/// </summary>
void listen()
{
Socket sockets;
byte[] data;
try
{
sockets = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sockets.Bind(localIpe);
}
catch { return; }
while (true)
{
try
{
sockets.Listen(200);
Socket newSocket = sockets.Accept();
using (MemoryStream ms = new MemoryStream())
{
byte[] btMsg = new byte[10240];
int t = 1;
while (t > 0)
{
t = newSocket.Receive(btMsg);
ms.Write(btMsg, 0, t);
}
data = ms.ToArray();
}
newSocket.Close();
NetOrder no = new NetOrder(data);
no.Root = Root;
no.LocalIPE = localIpe;
new NetOrderDealer(no).Run();
if (RecievedOrder != null)
{
RecievedOrder(this, no);
}
Thread.Sleep(1);
}
catch (SocketException ex) { Console.WriteLine(ex.Message); }
}
}
void download()
{
Socket sockets = null; //用于传输的Socket类。
byte[] fileData = null; //文件数据。
byte[] tempBytes = null; //临时缓冲数据。
DataDownloadEvenetArgs e = new DataDownloadEvenetArgs();
e.RecieverIp = localIpe;
e.SenderIp = remoteIpe;
try
{
sockets = new System.Net.Sockets.Socket(AddressFamily.InterNetwork, SocketType.Stream, ProtocolType.Tcp);
sockets.Bind(localIpe);
sockets.Listen(5);
//发送连接请求, 某路径没数据，那么变为等待状态。
if (filePath != null && filePath.Length > 0)
{
DataSender ds = new DataSender(localIpe, remoteIpe);
if (filePath.ToLower() == "xml")
{
ds.SendOrder("XML");
}
else
{
ds.SendOrder("GetFile", filePath);
}
}
//等待接收数据。
Socket newSocket = sockets.Accept();
//先读取头文件。
tempBytes = new byte[1024];
newSocket.Receive(tempBytes);
NetOrder no = new NetOrder(tempBytes);
e.StartTime = DateTime.Now;
if (no.OrderName == "FileData")
{
//开始接收数据。
downloading = true;
filePath = no.Parameter[0];
fileSize = int.Parse(no.Parameter[1]);
//再读取后面的数据。t用于表示每次读取到的数据长度。
MemoryStream ms = new MemoryStream();
tempBytes = new byte[blockSize];
int t = 1;
while (t > 0)
{
t = newSocket.Receive(tempBytes);
downloadedSize += t;
ms.Write(tempBytes, 0, t);
}
//接收数据到fileData
fileData = ms.ToArray();
e.EndTime = DateTime.Now;
//关闭所有相关资源。
newSocket.Close();
sockets.Close();
ms.Close();
downloading = false;
//保存文件。
SaveFile(fileData);
completeDownload = true;
e.Data = fileData;
e.Message = "文件接收成功。";
}
else if (no.OrderName == "Error")
{
e.Message = no.Parameter[0];
e.Data = null;
}
}
catch (Exception e1)
{
e.Data = null;
e.Message = e1.Message;
e.EndTime = DateTime.Now;
}
if (DownloadComplete != null)
{
DownloadComplete(this, e);
}
}
/// <summary>
/// NetOrder处理类，专门用于命令类的处理。
/// </summary>
/// <param name="no"></param>
public NetOrderDealer(NetOrder no)
{
order = no;
}
